After many countless hours of finding a fix to get MMS working on my Alltel Diamond, I finally found a cab that worked!! Follow the simple instructions to get it to work
1. Download the .cab
2. Install the .cab to your phone
3. After installation is finished go to your inbox
4. Hit Menu at the lower-right hand side
5. Go down until you see "Pics/Video Options" and select it.
6. Save sent messages should be checked and nothing else!
Retrieve Mode: Auto
Photo resolution: Original
7. Hit the Servers Tab and click on the "Alltell MMSC" that displays on the big box. Make sure these settings are correct!
Server Name: Alltel MMSC
Gateway: mms.alltel.com
Port Number: 8080
Server Address:
http://mms.alltel.com/servlets/mms
Connect Via: The Internet (havnt tried it in Alltel Wireless)
Send Limit: 950k
8. Hit Done
9. Shutdown your phone
10. Start your phone..DONE!!
Happy MMSing!